			*{margin: 0;padding: 0;}
			a{
				text-decoration: none;
				color: #000000;
			}
			.zzj_warp{
				width: 100%;
				height:100vh;
				/* background: url(img/sc_1_bg.jpg); */
				background-size: 100% 100%;
				overflow: auto;
				position: relative;
				/* 大盒子为弹性盒子 */
				/* display: flex;
				flex-direction: column;
				flex-wrap: nowrap; */
			}
			nav{
				width: 100%;
				height: 60px;
				background-color: black;
				color: white;
				line-height: 60px;
				/* 固定在顶部 */
				/* position: absolute; */
				position: fixed;
				top: 0;
				/* display: none; */
				z-index: 999;
			}
			#span1{
				font-size: 40px;
				margin-left: 10px;
				float: left;
			}
			#span2{
				font-size: 40px;
				margin-left: 40px;
				float: left;
				color: white;
			}
			#span3{
				margin-top: 10px;
				margin-right: 20px;
				float: right;
			}
			/* 头部固定结束 */
			#foot2_60{
				height: 60px;
				width: 100%;
				background-color: #FFFFFF;
				float: left;
			}
			footer{
				height: 60px;
				width: 100%;
				border-top:1px solid #808080;
				background-color: #FFFFFF;
				/* 固定在底部 */
				position: fixed;
				bottom: 0;
				z-index: 99;
				/* 弹性盒子让里面盒子横排 */
				display: flex;
				flex-direction: row; /* 元素横向排列 */
				flex-wrap: nowrap;  /*不换行*/
				/* display: none; */
			}
			footer .foot{
				text-align: center;
				line-height: 60px;
				font-size: 30px;
				/* float: left; */
				flex-grow: 1;/*子元素占一份*/
			}
			footer .foot:nth-child(2){
				border-left:1px solid #808080;
				border-right:1px solid #808080;				
			}
			footer .foot img{
				margin-bottom: -3px;
				margin-right: 10px;
			}
			/* 底部固定结束 */